Update the device tree binding documentation to include documentation for
the wlf,micd-configs property that is used to specify the configurations
for headset polarity detection (CTIA / OTMP).
Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/extcon/extcon-arizona.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
index 238e10e..fd9b898 100644
--- a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
+++ b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
@@ -37,5 +37,13 @@ Optional properties:
milliseconds.
- wlf,micd-force-micbias : Force MICBIAS continuously on during microphone
detection.
+ - wlf,micd-configs : Headset polarity configurations (generally used for
+ detection of CTIA / OMTP headsets), the field can be of variable length
+ but should always be a multiple of 3 cells long, each three cell group
+ represents one polarity configuration.
+ The first cell defines the accessory detection pin, zero will use MICDET1
+ and all other values will use MICDET2.
+ The second cell represents the MICBIAS to be used.
+ The third cell represents the value of the micd-pol-gpio pin.
- wlf,gpsw : Settings for the general purpose switch
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
